Tehuantepec Forecast
December 20, 2025, 8:03 pm (UTC: +00:00)
Subject: Tehuantepec Forecast
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This forecast has not been reviewed. It was generated from an automatic model.
.WARNINGS.
...GALE WARNING...
.WITHIN 16N94W TO 16N96W TO 14N97W TO 13N96W TO 14N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT WITH FREQUENT GUSTS TO 35 KT. SEAS TO 2.5 M.
.06 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST LITTLE CHANGE.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST LITTLE CHANGE...EXCEPT N WINDS 20 TO 30 KT.
SEAS 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.WITHIN 16N94W TO 16N96W TO 14N97W TO 13N96W TO 14N95W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO
30 KT WITH FREQUENT GUSTS TO 35 KT. SEAS TO 2.5 M.
.06 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO
14N95W TO 15N94W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC...N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST LITTLE CHANGE.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST LITTLE CHANGE...EXCEPT N WINDS 20 TO 30 KT.
SEAS 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN
HIGH PRESSURE OVER THE EASTERN UNITED STATES AND LOWER PRESSURES
IN THE DEEP TROPICS IS INDUCING FRESH TO NEAR GALE-FORCE
NORTHERLY WINDS ACROSS THE GULF OF TEHUANTEPEC AS WAS CONFIRMED
BY OVERNIGHT SCATTEROMETER SATELLITE DATA. FREQUENT GUSTS TO GALE
FORCE ARE EXPECTED INTO LATE THIS MORNING. SEAS ARE PEAKING
TO AROUND 8 FT (2.5 M). FRESH TO STRONG WINDS WILL PERSIST
ACROSS THE AREA THROUGH AT LEAST THE MIDDLE OF NEXT WEEK. GALE
CONDITIONS WILL BE POSSIBLE, MAINLY AT NIGHT, MON THROUGH WED AS
HIGH PRESSURE DEVELOPS OVER THE EASTERN SLOPES OF THE SIERRA
MADRE MOUNTAINS IN MEXICO. ROUGH SEAS ARE ALSO LIKELY TO DEVELOP
WITH THE STRONGEST WINDS.
HIGH PRESSURE NORTH OF THE GULF OF TEHUANTEPEC SUSTAINS FRESH TO
NEAR GALE-FORCE NORTHERLY WINDS ALONG WITH FREQUENT GUSTS TO
GALE FORCE AND SEAS TO 8-9 FT OVER THE TEHUANTEPEC BASIN.
ELSEWHERE, A 1022 MB SUBTROPICAL RIDGE NEAR 30N130W EXTENDS A
RIDGE TO THE REVILLAGIGEDO ISLANDS. MODERATE NORTHERLY WINDS AND
MODERATE SEAS ARE PRESENT WEST OF GUADALUPE ISLANDS, WHILE LIGHT
TO GENTLE WINDS AND MODERATE SEAS PREVAIL IN THE REST OF THE BAJA
CALIFORNIA OFFSHORE WATERS. MODERATE NORTHERLY WINDS AND SEAS OF
2-4 FT ARE NOTED OFF CABO CORRIENTES. OVER THE THE REMAINDER
OF HE MEXICAN OFFSHORE WATERS, LIGHT TO GENTLE WINDS AND SLIGHT
TO MODERATE SEAS ARE EVIDENT.
FOR THE FORECAST, HIGH PRESSURE NORTH OF THE GULF OF TEHUANTEPEC
WILL SUPPORT FRESH TO NEAR GALE-FORCE NORTHERLY WINDS AND
MODERATE TO LOCALLY ROUGH SEAS OVER THE NEXT SEVERAL DAYS. WINDS
MAY OCCASIONALLY PULSE TO GALE-FORCE AT NIGHT FROM MON THROUGH
WED. ELSEWHERE, FOR MOST WATERS, A RELATIVELY WEAK PRESSURE
GRADIENT WILL LEAD TO MODERATE OR WEAKER WINDS AND SEAS INTO THE
START OF NEXT WEEK. LOOKING AHEAD, A COLD FRONT WILL APPROACH THE
OFFSHORE WATERS OF BAJA CALIFORNIA NORTE BY MIDWEEK POSSIBLY
PRODUCING FRESH TO STRONG SOUTHERLY WINDS AND ROUGH SEAS.
SHORT-TERM TEHUANTEPEC
TODAY - Not available yet
TONITE - Not available yet
SUNDAY - Not available yet
SUNDAY NIGHT - Not available yet
LONG-TERM TEHUANTEPEC
MONDAY - Not available yet
TUESDAY - Not available yet
WEDNESDAY - Not available yet
THURSDAY - Not available yet
FRIDAY - Not available yet